Warp <war### [at] tagpovrayorg> wrote:
:   The image I posted took 13 minutes to render in this Ultra5.

  Reducing the accuracy of the isosurface to 10^-3 reduced the render
time to 8 minutes without any visible difference in the image.

-- 
#local D=array[6]{11117333955,7382340,3358,3900569407,970,4254934330}
#local I=0;#macro M()<mod(D[I],13)-6,mod(div(D[I],13),8)-3,10>#end
#while(I<6)cylinder{M()#local D[I]=div(D[I],104);M().1
pigment{rgb M()}}#local I=(D[I]>99?I:I+1);#end              /*- Warp -*/

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